# -*- coding = utf-8 -*-
# @Time : 2022/1/15 21:19
# @Author : Chunyan Wei
# @File : model.py
# @Software:PyCharm
from typing import Any

import torch.nn as nn
import torch.nn.functional as F



class LeNet(nn.Module):
    #初始化函数
    def __init__(self) -> None:
        super(LeNet,self).__init__()
        self.conv1 = nn.Conv2d(3,16,5)
        self.pool1 = nn.MaxPool2d(2,2)
        self.conv2 = nn.Conv2d(16,32,5)
        self.pool2 = nn.MaxPool2d(2,2)
        self.fc1 = nn.Linear(32*5*5,120)
        self.fc2 = nn.Linear(120,84)
        self.fc3 = nn.Linear(84,10)
   #正向传播过程
    def forward(self, x):
        x = F.relu(self.conv1(x))
        x = self.pool1(x)
        x = F.relu(self.conv2(x))
        x = self.pool2(x)
        x = x.view(-1,32*5*5)
        x = F.relu(self.fc1(x))
        x = F.relu(self.fc2(x))
        x = self.fc3(x)
        return x












